1x8+1=9,12x8+2=98,123x8+3=987,1234x8+4=9876照样子继续
问题描述:
1x8+1=9,12x8+2=98,123x8+3=987,1234x8+4=9876照样子继续
四道这样的题?
答
12345x8+5=98765
123456x8+6=987654
1234567x8+7=9876543
12345678x8+8=98765432